US-20260128500-A1 - WIRELESS ADAPTERS

US20260128500A1US 20260128500 A1US20260128500 A1US 20260128500A1US-20260128500-A1

Abstract

A wireless adapter comprises a housing assembly, an interface assembly, and an antenna assembly. The housing assembly includes an accommodation cavity formed inside the housing assembly. The interface assembly is disposed at one end of the housing assembly along a length direction of the wireless adapter. The antenna assembly is disposed in the accommodation cavity, and the antenna assembly is electrically connected to the interface assembly. The antenna assembly includes a first antenna and a second antenna, and a plane in which the first antenna is located intersecting with a plane in which the second antenna is located.

Inventors

Jianhua Xie
Yafei Wang
Fen You

Assignees

Shenzhen Shokz Co., Ltd.

Dates

Publication Date: 20260507
Application Date: 20251229

Claims (20)

1 . A wireless adapter, comprising: a housing assembly including an accommodation cavity, the accommodation cavity being formed inside the housing assembly; an interface assembly disposed at one end of the housing assembly along a length direction of the wireless adapter; an antenna assembly disposed in the accommodation cavity, the antenna assembly being electrically connected to the interface assembly, the antenna assembly including a first antenna and a second antenna, and a plane in which the first antenna is located intersecting with a plane in which the second antenna is located; wherein the housing assembly comprises: an insulating shell including a first end and a second end opposite to each other along the length direction, the interface assembly being disposed at the first end of the insulating shell; and an insulating end cap disposed at the second end of the insulating shell, the accommodation cavity being formed between the insulating shell and the insulating end cap, and the second antenna is located on an inner wall of the insulating end cap.
2 . The wireless adapter of claim 1 , wherein the plane in which the first antenna is located is perpendicular to the plane in which the second antenna is located.
3 . The wireless adapter of claim 1 , wherein the antenna assembly further comprises a wireless module, the wireless module is electrically connected to the first antenna, the second antenna, and the interface assembly, and the wireless module, the first antenna, and the second antenna cooperate with each other to enable the wireless adapter to transmit and receive signals within a certain frequency band.
4 . The wireless adapter of claim 1 , further comprising a carrier board assembly disposed in the accommodation cavity, the carrier board assembly including a first carrier board and a second carrier board, the first carrier board and the second carrier board being fixedly connected to the housing assembly, the first antenna being formed on a surface of the first carrier board, and the second antenna being formed on a surface of the second carrier board.
5 . The wireless adapter of claim 4 , wherein a material hardness of the first carrier board is greater than a material hardness of the second carrier board, and the second carrier board is abutted and fixed to an inner wall of the housing assembly.
6 . The wireless adapter of claim 5 , wherein the first carrier board is a rigid printed circuit board, and the second carrier board is a flexible printed circuit board.
7 . The wireless adapter of claim 4 , wherein the first carrier board being fixed inside the insulating shell; and the second carrier board is stacked and fixed on an inner wall of the insulating end cap.
8 . The wireless adapter of claim 7 , wherein a first positioning structure is formed between the insulating end cap and the second carrier board, and the first positioning structure is configured to position a relative position between the second carrier board and the insulating end cap.
9 . The wireless adapter of claim 8 , wherein the first positioning structure includes a positioning protrusion and a positioning through hole, the positioning protrusion is disposed to protrude from the inner wall of the insulating end cap along the length direction, the positioning through hole is disposed to penetrate the second carrier board along the length direction, and the positioning protrusion is inserted through the positioning through hole to position the second carrier board and the insulating end cap.
10 . The wireless adapter of claim 1 , further comprising a carrier board assembly disposed in the accommodation cavity, the carrier board assembly including a first carrier board, the first carrier board being fixedly connected to the housing assembly, the first antenna being formed on a surface of the first carrier board, and the second antenna being formed on an inner wall of the housing assembly.
11 . The wireless adapter of claim 10 , wherein the first carrier board being fixed inside the insulating shell; and the second antenna is formed on an inner wall of the insulating end cap.
12 . The wireless adapter of claim 20 wherein the antenna assembly further comprises a feed point structure, the feed point structure being in electrical contact connection with the first antenna and the second antenna.
13 . The wireless adapter of claim 12 , wherein the feed point structure comprises an elastic member, the elastic member includes a fixed end fixed relative to the first carrier board along the length direction and a free end movable relative to the first carrier board along the length direction, the fixed end of the elastic member is fixedly connected to the first carrier board and in electrical contact connection with the first antenna, and the free end of the elastic member is in elastic and electrical contact with the second antenna.
14 . The wireless adapter of claim 17 , wherein a fixing structure is disposed between the insulating shell and the insulating end cap, and the fixing structure is arranged around the second antenna and configured to fix the insulating end cap to the insulating shell.
15 . The wireless adapter of claim 14 , wherein the fixing structure includes a fixing protrusion and a fixing slot hole, the fixing protrusion is disposed to protrude from the inner wall of the insulating end cap along the length direction, the fixing slot hole is disposed inside the insulating shell, and the fixing protrusion is inserted into the fixing slot hole; and/or the fixing structure includes a fixing snap protrusion and a fixing snap slot, the fixing snap protrusion is disposed to protrude from a surface of the insulating end cap along a direction perpendicular to the length direction, the fixing snap slot is disposed on the insulating shell, and the fixing snap protrusion is snapped into the fixing snap slot.
16 . The wireless adapter of claim 20 wherein a second positioning structure is formed between the insulating shell and the first carrier board, and the second positioning structure is configured to position a relative position between the first carrier board and the insulating shell.
17 . The wireless adapter of claim 20 , wherein the interface assembly comprises: an interface housing including a guide cavity, the guide cavity being disposed to penetrate the interface housing along the length direction, and one end of the interface housing along the length direction being sleeved on the first end of the insulating shell; a third carrier board inserted into the guide cavity along the length direction, the third carrier board and the first carrier board being of an integral structure; and an interface pin formed on a surface of the third carrier board, the interface pin being electrically connected to the antenna assembly.
18 . The wireless adapter of claim 17 , wherein the insulating shell includes a supporting structure, the supporting structure is inserted into the guide cavity along the length direction, and the third carrier board is fixedly connected to the supporting structure.
19 . The wireless adapter of claim 17 , wherein the antenna assembly further comprises a wireless module, and the interface pin and the first antenna are electrically connected to the wireless module; and the wireless module is disposed at a position of the first carrier board close to the third carrier board along the length direction, or the wireless module is disposed at a position of the third carrier board close to the first carrier board along the length direction.
20 . The wireless adapter of claim 1 , further comprising a first carrier board that is disposed in the accommodation cavity and fixedly connected to the housing assembly, the first antenna being formed on a surface of the first carrier board.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS This application is a continuation of International Application No. PCT/CN 2024/096407, filed on May 30, 2024, the contents of which are incorporated herein by reference to their entirety. TECHNICAL FIELD The present disclosure relates to a field of wireless communication technologies, and more particularly, to a wireless adapter. BACKGROUND Wearable devices, such as earphones and smart glasses, have become indispensable tools in people's daily lives and work. For some wearable devices without a wireless communication function, a wireless adapter (e.g., a Bluetooth adapter) is usually inserted into the wearable device to enable data and information interaction between the wearable device and an external device (e.g., a computer, a mobile phone, or the like) through the wireless adapter. However, existing wireless adapters have problems such as a narrow frequency bandwidth and poor directivity, which cannot meet application requirements of increasingly miniaturized wearable devices. SUMMARY The primary technical problem to be solved by the present disclosure is to provide a wireless adapter having characteristics such as a wider frequency bandwidth and a more comprehensive signal coverage range. In some embodiments, a wireless adapter is provided, comprising a housing assembly, an interface assembly, and an antenna assembly. The housing assembly includes an accommodation cavity, and the accommodation cavity is formed inside the housing assembly. The interface assembly is disposed at one end of the housing assembly along a length direction of the wireless adapter. The antenna assembly is disposed in the accommodation cavity, and the antenna assembly is electrically connected to the interface assembly. The antenna assembly includes a first antenna and a second antenna, and a plane in which the first antenna is located intersecting with a plane in which the second antenna is located. In some embodiments, the plane in which the first antenna is located is perpendicular to the plane in which the second antenna is located. In some embodiments, the antenna assembly further comprises a wireless module. The wireless module is electrically connected to the first antenna, the second antenna, and the interface assembly, and the wireless module, the first antenna, and the second antenna cooperate with each other to enable the wireless adapter to transmit and receive signals within a certain frequency band. In some embodiments, the wireless adapter further comprises a carrier board assembly disposed in the accommodation cavity. The carrier board assembly includes a first carrier board and a second carrier board. The first carrier board and the second carrier board are fixedly connected to the housing assembly. The first antenna is formed on a surface of the first carrier board, and the second antenna is formed on a surface of the second carrier board. In some embodiments, a material hardness of the first carrier board is greater than a material hardness of the second carrier board, and the second carrier board is abutted and fixed to an inner wall of the housing assembly. In some embodiments, the first carrier board is a rigid printed circuit board, and the second carrier board is a flexible printed circuit board. In some embodiments, the housing assembly comprises an insulating shell and an insulating end cap. The insulating shell includes a first end and a second end opposite to each other along the length direction. The interface assembly is disposed at the first end of the insulating shell, and the first carrier board is fixed inside the insulating shell. The insulating end cap is disposed at the second end of the insulating shell. The accommodation cavity is formed between the insulating shell and the insulating end cap, and the second carrier board is stacked and fixed on an inner wall of the insulating end cap. In some embodiments, a first positioning structure is formed between the insulating end cap and the second carrier board, and the first positioning structure is configured to position a relative position between the second carrier board and the insulating end cap. In some embodiments, the first positioning structure includes a positioning protrusion and a positioning through hole. The positioning protrusion is disposed to protrude from the inner wall of the insulating end cap along the length direction. The positioning through hole is disposed to penetrate the second carrier board along the length direction, and the positioning protrusion is inserted through the positioning through hole to position the second carrier board and the insulating end cap. In some embodiments, the wireless adapter further comprises a carrier board assembly disposed in the accommodation cavity. The carrier board assembly includes a first carrier board. The first carrier board is fixedly connected to the housing assembly. The first antenna is formed on a surface of the first carrier board, and